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Qiangsheng 55/113 conical twin screw barrel for PVC profile
| Application | PVC profile, we can adjust the structure of screw according with the raw material, such as percent of CaCo3 |
| Machine Brand | Qiangsheng |
| Diameter | 55/113 |
| Materials | 38CrMoAlA,DIN1.8550 |
| Processing | 1)72 hours Hardening & Tempering;2)120 hours Gas Nitriding treatment;3)Bimetallic for output parts of screw barrel |
| Hardness | 1)HB280-320 after Hardening & Tempering;2)HV850-950 after Nitriding;3) HRC50-65 after bimetallic |
| Nitride Case Depth | 0.50-0.80mm |
| Nitride Brittleness | Less than Grade 2 |
| Surface Roughness | Ra 0.4 |
| Screw Straightness | 0.015mm |
| Alloy Component | Ni60 Tungsten Carbide |
| Life time | Common Nitrided:2.5-4 years |
| Guarantee Time | One year |
| Packing | PE Casting Film wrapped and then packed in standard wooden cases for exporting |
| Delivery | 25~35 days after order confirm |
| Payment Term | 30% deposit by TT and 70% balance before delivery |
Qiangsheng 55/113 conical twin screw barrel for PVC profile
